28780491782

素因数分解:

$2^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{3257923}}^1$

素因数の和:3258563

約数の個数: 16

約数和(自身を含む): 49416191232

約数和(自身を除く): 20635699450

約数列:

[1, 2, 7, 14, 631, 1262, 4417, 8834, 3257923, 6515846, 22805461, 45610922, 2055749413, 4111498826, 14390245891, 28780491782]

約数ペア:

[(1, 28780491782), (2, 14390245891), (7, 4111498826), (14, 2055749413), (631, 45610922), (1262, 22805461), (4417, 6515846), (8834, 3257923)]